Question

Construction of angle

score 50 · Answer 1 · 2020-05-09 15:08:03

50

Views

Construction of angle

Published on 09 May 2020 - 15:08

score 95 · Answer 2 · 2020-05-09 15:50:14

95

Views

Find $\angle DCF$.

Published on 09 May 2020 - 15:50

score 59 · Answer 3 · 2020-05-11 00:40:04

Prove that only fields involving square roots are possible with ruler and compass and find fields that are possible with other conic sections.

score 141 · Answer 4 · 2020-05-13 18:35:39

141

Views

Classification of All Constructible Angles

Published on 13 May 2020 - 18:35

score 390 · Answer 5 · 2020-05-16 13:57:16

390

Views

Prove roots of $x^5 - 1$ are constructible

Published on 16 May 2020 - 13:57

score 81 · Answer 6 · 2020-05-17 03:42:44

81

Views

I need an explanation of the end of the problem

Published on 17 May 2020 - 3:42

score 226 · Answer 7 · 2020-05-19 14:16:46

226

Views

how to solve apollonius problem( $CCC$ case) with compass and straight edge

Published on 19 May 2020 - 14:16

score 80 · Answer 8 · 2020-05-19 20:10:26

80

Views

Trisecting an angle with a compass and 2 marks on a ruler

Published on 19 May 2020 - 20:10

score 148 · Answer 9 · 2020-05-20 03:41:08

148

Views

Divide any given angle into $n$ equal parts using paper folding

Published on 20 May 2020 - 3:41

score 531 · Answer 10 · 2020-05-21 13:24:54

531

Views

Construct a circle tangent to sides $BC$ and $CD$ and s.t. its meetings with the diagonal $BD$ are tangent points from tangents draw from point $A$

Published on 21 May 2020 - 13:24

score 342 · Answer 11 · 2020-05-21 17:41:31

342

Views

Straightedge-and-compass construction of the "kissing circles" for three given circles

Published on 21 May 2020 - 17:41

score 89 · Answer 12 · 2020-05-22 06:09:34

89

Views

What's the fastest way to split $45-45-90$ triangle into two parts with equal area (using a straightedge and compass)?

Published on 22 May 2020 - 6:09

score 586 · Answer 13 · 2020-05-24 00:02:11

586

Views

Can $\pi$ be approximated by considering polygons with increasing number of sides, but without using circles or trigonometry?

Published on 24 May 2020 - 0:02

score 80 · Answer 14 · 2026-03-26 17:36:49

80

Views

Construct any regular polygon (A003401) that has the same area as the sum of $n$ given triangles

Published on 26 Mar 2026 - 17:36

score 5k · Answer 15 · 2026-03-25 09:33:47

5k

Views

Are geometric arguments using infinitesimals valid?

Published on 25 Mar 2026 - 9:33

List Question

Construction of angle

Find $\angle DCF$.

Prove that only fields involving square roots are possible with ruler and compass and find fields that are possible with other conic sections.

Classification of All Constructible Angles

Prove roots of $x^5 - 1$ are constructible

I need an explanation of the end of the problem

how to solve apollonius problem( $CCC$ case) with compass and straight edge

Trisecting an angle with a compass and 2 marks on a ruler

Divide any given angle into $n$ equal parts using paper folding

Construct a circle tangent to sides $BC$ and $CD$ and s.t. its meetings with the diagonal $BD$ are tangent points from tangents draw from point $A$

Straightedge-and-compass construction of the "kissing circles" for three given circles

What's the fastest way to split $45-45-90$ triangle into two parts with equal area (using a straightedge and compass)?

Can $\pi$ be approximated by considering polygons with increasing number of sides, but without using circles or trigonometry?

Construct any regular polygon (A003401) that has the same area as the sum of $n$ given triangles

Are geometric arguments using infinitesimals valid?

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